Praxis Data Lab · Data products

Research-ready data products.

Curated datasets, secure Study Packages, codebooks, starter code, and validated outputs—delivered together so researchers can move from discovery to defensible results with confidence.

Open NHANES Build a Study Package

Up to 50 variablesPer Study Package during Early Access.

Secure deliveryPrivate preparation and controlled access.

Validated outputsQuality-checked files and documentation.

Reproducible by designCodebook, provenance, and starter code.

A multidisciplinary data team reviewing analytics, connected systems, and research outputs on a large dashboard. — **Built around real research workflows.**From discovery and Study Builder to secure packages and validated outputs.

Flagship data product · 01

NHANES, made easier to investigate and use.

Explore the U.S. National Health and Nutrition Examination Survey through a full variable catalogue, Study Builder, harmonization evidence, variable history, source-linked provenance, and reproducible study delivery.

Built on source-linked CDC/NCHS evidence with transparent provenance and validation. View the source and use notice.

Open NHANES Open the NHANES Explorer →Build a study →Inspect variable history →View plans & services →

Product model

A reusable foundation beyond a single dataset.

Praxis is designed to support additional public, proprietary, licensed, and institutional data products while keeping source rights, provenance, governance, validation, and delivery explicit.

Data access & brokerage

Structured pathways to discover, license, source, and deliver data under clear usage and provenance controls.

Governed transformation

Ingestion, normalization, harmonization, validation, documentation, and repeatable release workflows.

Decision-ready delivery

Explorers, APIs, reports, analytical packages, dashboards, and reproducible outputs suited to the use case.